High temperature, high efficiency electrical and transformer oil

Details High temperature, high efficiency electrical and transformer oil High temperature, high efficiency electrical and transformer oil

1999-02-05

2000-07-04

Johnson, Jerry D.

Solid anti-friction devices, materials therefor, lubricant or se

Lubricants or separants for moving solid surfaces and...

Heterocyclic ring compound; a heterocyclic ring is one...

508280, 508584, C10M13346

Patent

active

060838892

ABSTRACT:
An oil composition useful as an electrical or transformer oil is provided. The composition comprises a major amount of a paraffinic oil having a Cleveland open cup flash point of more than about 200.degree. C. and an effective amount of an additive system including at least one hindered phenolic antioxidant and a tolyltriazole metal deactivator.

REFERENCES:
patent: 4880551 (1989-11-01), Doe
patent: 4931196 (1990-06-01), Payne et al.
patent: 5032300 (1991-07-01), O'Neil
patent: 5167847 (1992-12-01), Olavesen et al.
Hackh's Chemical Dictionary, Fourth Edition, McGraw-Hill, Inc. p. 684, 1969 .

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